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Stored procedures
Returns the vertical position (Y) of the mouse cursor relative to the specified window or control. Used in a mouse or stylus process (click, hover, left or right button down, etc.).
You can get:
  • the position of the mouse (or stylus) when an Image control is clicked (function used in the "Click" event of the Image control)
  • the position of the mouse (or stylus) when hovering over a window (function used in the optional "Mouse hover" event of a window)
Remarks:
  • WINDEV The mouse position can also be obtained with CursorPos. CursorPos should only be used to modify the mouse position.
  • Universal Windows 10 AppJava This function should only be used in the events of controls hovered with the mouse.
  • Universal Windows 10 App MouseYPos returns the last known position of the finger on the screen.
Example
WINDEVJavaUser code (UMC)
// "WIN_Drawing" window hovered by the mouse
// Optional code of the window
Message("Position of the mouse: X: " + MouseXPos() + "Y: " + MouseYPos())
WINDEVUniversal Windows 10 AppJavaUser code (UMC)
// Displays a different message according to the location clicked
IF MouseYPos() < 25 THEN
Info("At the top")
ELSE
Info("At the bottom")
END
Syntax
WINDEVUniversal Windows 10 AppJavaUser code (UMC)

Retrieving the mouse position in a window Hide the details

<Result> = MouseYPos([<Marker>])
<Result>: Integer
  • Vertical position (Y-coordinate) of the mouse or stylus, in pixels. By default, this position is relative to the upper-left corner of the control on which the left mouse button was pressed.
  • -1 if an error occurred.
<Marker>: Optional Integer constant
Marker used to calculate the position:
mpControl
(Default value)
Mouse position relative to the upper-left corner of the control or window, depending on where the event occurs.
mpImageMouse position in the image (relative to the upper-left corner of the image).

This constant should only be used when MouseYPos is called in an event associated with an Image control. Otherwise, MouseYPos will return -1.
mpScreenMouse position in the screen (relative to the upper-left corner).
mpWindowMouse position relative to the upper-left corner of the window.

Universal Windows 10 App This parameter is not available.
Remarks
WINDEVUniversal Windows 10 AppJavaUser code (UMC)

Error

The main error codes are as follows:
  • No window is opened.
  • No mouse click is performed.
  • MouseYPos is not called in a mouse event.
  • The click code is executed by Execute or ExecuteProcess.
WINDEVUniversal Windows 10 AppJavaUser code (UMC)

Miscellaneous

  • You can get the horizontal position of the mouse or stylus with MouseXPos.
  • MouseYPos used in the selection code of row or table always returns 0.
Related Examples:
The drawing functions Unit examples (WINDEV): The drawing functions
[ + ] Using the main drawing functions of WINDEV to:
- Initialize an Image control for drawing
- Draw simple shapes
- Write a text into a drawing
- Change the color in a drawing
Component: wd270obj.dll
Minimum version required
  • Version 9
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